<template>
  <div class="m-edit-table">
    <div v-if="mode !== 'hide' && mode !== 'bottom'" style="margin-top: 15px; margin-bottom: 15px">
      <el-button style="width: 100%" @click="add">
        <el-icon style="margin-right: 4px">
          <plus />
        </el-icon>
        添加一行数据
      </el-button>
    </div>
    <el-table :data="transData" style="width: 100%" row-key="id" border>
      <template v-for="item in columns">
        <el-table-column
          v-if="item.type"
          :type="item.type"
          :width="item.width"
          :align="item.align"
          :fixed="item.fixed"
          :label="item.label"
        />
        <el-table-column
          v-else
          :prop="item.name"
          :width="item.width"
          :align="item.align"
          :fixed="item.fixed"
          :label="item.label"
        >
          <template #default="scope">
            <template v-if="!item.slot">
              <template v-if="item.readonly">
                {{ scope.row[item.name] }}
              </template>
              <template v-else-if="item.valueType === 'select'">
                <el-select
                  v-if="scope.row.edit"
                  v-model="scope.row[item.name]"
                  clearable
                  :placeholder="`请选择`"
                >
                  <el-option
                    v-for="ite in item.options"
                    :key="ite.value"
                    :label="ite.label"
                    :value="ite.value"
                  />
                </el-select>
                <span v-else>{{ filterOption(item, scope) }}</span>
              </template>

              <template v-else-if="item.valueType === 'date'">
                <el-date-picker
                  v-if="scope.row.edit"
                  v-model="scope.row[item.name]"
                  type="date"
                  value-format="YYYY-MM-DD"
                  clearable
                  placeholder="请选择"
                />
                <span v-else>{{ scope.row[item.name] || '--' }}</span>
              </template>
              <template v-else>
                <el-input
                  v-if="scope.row.edit"
                  v-model="scope.row[item.name]"
                  clearable
                  placeholder="请输入"
                />
                <span v-else>{{ scope.row[item.name] || '--' }}</span>
              </template>
            </template>
            <slot v-else :name="item.name" :item="item" :row="scope.row" />
          </template>
        </el-table-column>
      </template>
      <el-table-column prop="operator" label="操作" width="250px" fixed="right">
        <template #default="scope">
          <el-button
            v-if="scope.row.edit"
            type="primary"
            size="small"
            icon="CircleCheckFilled"
            @click="confirmEdit(scope.row)"
          >
            保存
          </el-button>
          <el-button
            v-else
            type="primary"
            size="small"
            icon="Edit"
            @click="scope.row.edit = !scope.row.edit"
          >
            编辑
          </el-button>
          <el-popover
            v-model:visible="scope.row.visible"
            trigger="click"
            placement="top"
            :width="160"
          >
            <p style="display: flex; align-items: center; margin-bottom: 10px">
              <el-icon color="#faad14" style="margin-right: 10px">
                <warning-filled />
              </el-icon>
              删除此行？
            </p>
            <div style="text-align: right; margin: 0">
              <el-button size="small" @click="scope.row.visible = false">取消</el-button>
              <el-button size="small" type="primary" @click="deleteAction(scope.row)">
                确定
              </el-button>
            </div>
            <template #reference>
              <el-button icon="Delete" type="danger" size="small" @click="deleteCurrent(scope.row)">
                删除
              </el-button>
            </template>
          </el-popover>
          <el-button
            v-if="scope.row.edit"
            type="primary"
            size="small"
            icon="Edit"
            @click="cancelEdit(scope.row)"
          >
            取消
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <div v-if="mode !== 'hide' && mode !== 'top'" style="margin-top: 15px">
      <el-button style="width: 100%" @click="add">
        <el-icon style="margin-right: 4px">
          <plus />
        </el-icon>
        添加一行数据
      </el-button>
    </div>
  </div>
</template>
<script lang="ts" setup>
import { computed, onMounted, ref, watch } from 'vue';
import { deepObjClone } from '@/utils/index';
import { ElMessage, ElMessageBox } from 'element-plus';
import { reactive } from 'vue';
const emit = defineEmits(['del', 'add', 'onChange']);
const transData = ref([]);

const props = defineProps({
  columns: {
    type: Array,
    default: () => []
  },
  data: {
    type: Array,
    default: () => []
  },
  editableKeys: {
    type: Array,
    default: () => []
  },
  mode: {
    type: String,
    default: 'bottom'
  }
});

// 删除当前此行
const deleteCurrent = row => {
  // console.log('----------',row)
  // row.visible = true
};

const getData = () => {
  const arr = deepObjClone(transData.value);
  for (const item of arr) {
    for (const attr in item) {
      if (attr.includes('te__mp')) {
        delete item[attr];
      }
    }
  }
  emit('onChange', arr);
};

const obj = {};
for (const item of props.columns) {
  props.data.forEach(it => {
    if (!obj[item.name]) {
      obj[item.name] = null;
    }
  });
}

// 重置数据
const reset = () => {
  transData.value = props.data;
  for (const item of transData.value) {
    if (props.editableKeys.includes(item.id)) {
      item.edit = true;
    }
  }
  getData();
};

onMounted(() => {
  watch(
    () => props.data,
    val => {
      // // 转换数据
      transData.value = deepObjClone(val);
      // 存储一个临时变量
      for (const item of transData.value) {
        if (props.editableKeys.includes(item.id)) {
          item.edit = true;
        }
        for (const attr in item) {
          const temp = `${attr}te__mp`;
          item[temp] = item[attr];
        }
      }
    },
    {
      immediate: true,
      deep: true
    }
  );
});

const visible = ref(false);

const handleSizeChange = (val: number) => {
  console.log(`${val} items per page`);
};

const listLoading = ref(false);

// 保存
const confirmEdit = row => {
  row.edit = false;
  for (const attr in row) {
    if (attr.includes('te__mp')) {
      row[attr] = row[attr.replace('te__mp', '')];
    }
  }
  getData();
};
// 取消
const cancelEdit = row => {
  row.edit = !row.edit;
  for (const attr in row) {
    if (attr !== 'edit') {
      if (!attr.includes('te__mp')) {
        row[attr] = row[`${attr}te__mp`];
      }
    }
  }
};

const deleteAction = row => {
  row.visible = false;
  transData.value = transData.value.filter(item => item.id !== row.id);
  emit('del', row);
};

// 添加
const add = () => {
  const id = ~~(Math.random() * 1000000).toFixed(0);
  const obj1 = Object.assign({}, obj, {
    id,
    edit: true,
    visible: false
  });
  for (const attr in obj1) {
    const temp = `${attr}te__mp`;
    obj1[temp] = obj1[attr];
  }

  if (props.mode === 'bottom') {
    transData.value.push(obj1);
  }
  if (props.mode === 'top') {
    transData.value.unshift(obj1);
  }
};

const filterOption = (item, scope) => {
  const obj = item.options.find(ite => ite.value === scope.row[item.name]);
  if (obj) {
    return obj.label;
  }
  return '--';
};

defineExpose({ reset });
</script>
<style scoped>
.edit-input {
  padding-right: 100px;
}
.cancel-btn {
  position: absolute;
  right: 15px;
  top: 10px;
}
.inline-edit-table {
  width: 100%;
}
</style>
